| 2x+3×0.9=24.7 | 24x-17.6x=23.04. |
(1)
| 5 |
| 7 |
| x |
| 35 |
7x=5×35,
7x÷7=5×35÷7,
x=25;
(2)2x+3×0.9=24.7,
2x+2.7=24.7,
2x+2.7-2.7=24.7-2.7,
2x=22,
2x÷2=22÷2,
x=11;
(3)24x-17.6x=23.04,
6.4x=23.04,
6.4x÷6.4=23.04÷6.4,
x=3.6.
编辑:chaxungu时间:2026-04-27 13:37:47分类:小学数学题库
| 2x+3×0.9=24.7 | 24x-17.6x=23.04. |
| 5 |
| 7 |
| x |
| 35 |